Total Population and Change: 2020 and 2010
Area Name           Population          Change
2020 2010 Number %
WYOMING 576,851 563,626 13,225 2.3
     
Albany County            37,066 36,299 767 2.1
  Laramie             31,407 30,816 591 1.9
  Rock River                  211 245 -34 -13.9
Big Horn County            11,521 11,668 -147 -1.3
  Basin               1,288 1,285 3 0.2
  Burlington                  314 288 26 9.0
  Byron                  562 593 -31 -5.2
  Cowley                  762 655 107 16.3
  Deaver                  154 178 -24 -13.5
  Frannie  (pt.)                 119 138 -19 -13.8
  Greybull               1,651 1,847 -196 -10.6
  Lovell               2,243 2,360 -117 -5.0
  Manderson                    88 114 -26 -22.8
Campbell County            47,026 46,133 893 1.9
  Gillette             33,403 29,087 4,316 14.8
  Wright               1,644 1,807 -163 -9.0
Carbon County            14,537 15,885 -1,348 -8.5
  Baggs                  411 440 -29 -6.6
  Dixon                    74 97 -23 -23.7
  Elk Mountain                  150 191 -41 -21.5
  Encampment                  452 450 2 0.4
  Hanna                  683 841 -158 -18.8
  Medicine Bow                  245 284 -39 -13.7
  Rawlins               8,221 9,259 -1,038 -11.2
  Riverside                    66 52 14 26.9
  Saratoga               1,702 1,690 12 0.7
  Sinclair                  374 433 -59 -13.6
Converse County            13,751 13,833 -82 -0.6
  Douglas               6,386 6,120 266 4.3
  Glenrock               2,420 2,576 -156 -6.1
  Lost Springs                      6 4 2 50.0
  Rolling Hills                  427 440 -13 -3.0
Crook County              7,181 7,083 98 1.4
  Hulett                  309 383 -74 -19.3
  Moorcroft                  946 1,009 -63 -6.2
  Pine Haven                  493 490 3 0.6
  Sundance               1,032 1,182 -150 -12.7
Fremont County            39,234 40,123 -889 -2.2
  Dubois                  911 971 -60 -6.2
  Hudson                  431 458 -27 -5.9
  Lander               7,546 7,487 59 0.8
  Pavillion                  230 231 -1 -0.4
  Riverton             10,682 10,615 67 0.6
  Shoshoni                  471 649 -178 -27.4
Goshen County            12,498 13,249 -751 -5.7
  Fort Laramie                  206 230 -24 -10.4
  La Grange                  372 448 -76 -17.0
  Lingle                  403 468 -65 -13.9
  Torrington               6,119 6,501 -382 -5.9
  Yoder                  131 151 -20 -13.2
Hot Springs County              4,621 4,812 -191 -4.0
  E Thermopolis                  229 254 -25 -9.8
  Kirby                    76 92 -16 -17.4
  Thermopolis               2,725 3,009 -284 -9.4
Johnson County              8,447 8,569 -122 -1.4
  Buffalo               4,415 4,585 -170 -3.7
  Kaycee                  247 263 -16 -6.1
Laramie County          100,512 91,738 8,774 9.6
  Albin                  169 181 -12 -6.6
  Burns                  356 301 55 18.3
  Cheyenne             65,132 59,466 5,666 9.5
  Pine Bluffs               1,172 1,129 43 3.8
Lincoln County            19,581 18,106 1,475 8.1
  Afton               2,172 1,911 261 13.7
  Alpine               1,220 828 392 47.3
  Cokeville                  502 535 -33 -6.2
  Diamondville                  520 737 -217 -29.4
  Kemmerer               2,415 2,656 -241 -9.1
  La Barge                  394 551 -157 -28.5
  Opal                    64 96 -32 -33.3
  Star Valley Ranch              1,866 1,503 363 24.2
  Thayne                  380 366 14 3.8
Natrona County            79,955 75,450 4,505 6.0
  Bar Nunn               2,981 2,213 768 34.7
  Casper             59,038 55,316 3,722 6.7
  Edgerton                  153 195 -42 -21.5
  Evansville               2,746 2,544 202 7.9
  Midwest                  285 404 -119 -29.5
  Mills               4,034 3,461 573 16.6
Niobrara County              2,467 2,484 -17 -0.7
  Lusk               1,541 1,567 -26 -1.7
  Manville                    92 95 -3 -3.2
  Van Tassell                    22 15 7 46.7
Park County            29,624 28,205 1,419 5.0
  Cody             10,028 9,520 508 5.3
  Frannie  (pt.)                   26 19 7 36.8
  Meeteetse                  309 327 -18 -5.5
  Powell               6,419 6,314 105 1.7
Platte County              8,605 8,667 -62 -0.7
  Chugwater                  175 212 -37 -17.5
  Glendo                  237 205 32 15.6
  Guernsey               1,130 1,147 -17 -1.5
  Hartville                    64 62 2 3.2
  Wheatland               3,588 3,627 -39 -1.1
Sheridan County            30,921 29,116 1,805 6.2
  Clearmont                  116 142 -26 -18.3
  Dayton                  822 757 65 8.6
  Ranchester               1,064 855 209 24.4
  Sheridan             18,737 17,444 1,293 7.4
Sublette County              8,728 10,247 -1,519 -14.8
  Big Piney                  395 552 -157 -28.4
  Marbleton                  861 1,094 -233 -21.3
  Pinedale               2,005 2,030 -25 -1.2
Sweetwater County            42,272 43,806 -1,534 -3.5
  Bairoil                    68 106 -38 -35.8
  Granger                    98 139 -41 -29.5
  Green River             11,825 12,515 -690 -5.5
  Rock Springs             23,526 23,036 490 2.1
  Superior                  184 336 -152 -45.2
  Wamsutter                  203 451 -248 -55.0
Teton County            23,331 21,294 2,037 9.6
  Jackson             10,760 9,577 1,183 12.4
Uinta County            20,450 21,118 -668 -3.2
  Bear River                 522 518 4 0.8
  Evanston             11,747 12,359 -612 -5.0
  Lyman               2,135 2,115 20 0.9
  Mountain View               1,278 1,286 -8 -0.6
Washakie County              7,685 8,533 -848 -9.9
  Ten Sleep                  246 260 -14 -5.4
  Worland               4,773 5,487 -714 -13.0
Weston County              6,838 7,208 -370 -5.1
  Newcastle               3,374 3,532 -158 -4.5
  Upton                  898 1,100 -202 -18.4
Source: U.S. Census Bureau